Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleDEFINITION AND CLASSIFICATION OF GEOMETRIES.AuthorsLane, P.PublicationSchool Science & Mathematics, 1930, Vol 30, Issue 1, p50ISSN0036-6803Publication typeArticleDOI10.1111/j.1949-8594.1930.tb02625.x